O,excellent! Some really nice changes! The top picture makes it easy to see the whole layout. You've particularly improved the rock layout. By moving the big dark one to the right, you've exposed the lighter horizontal ones behind it. Then you have the small very light colored one especially well placed and tilted in the foreground.
The natural layering of different plants on the left side is especially good, working from small back and up to larger. The 3 largest plants though, to my eye, are ending up matched in total height, which again seems to create a symetrical effect that by being too balanced, seems unnatural. Also, the handsome dark green plant emerging from the top of the dark rock attracts the eye in a strong way, thus competing with the lovely build-up of layers on the left side.
What would be interesting to see you try would be something like moving the big dark rock to the left and letting the small layers, including the red be forground in front of the dark rock, letting parts of the dark rock come out here and there. Then the layering could build up and peak with the top plant, making it seem part of the climb, rather than suddenly jutting out.
(don't know why I'm getting in to this so much! just my opinions anyway..)
Oh well, more later maybe! Know you are having fun, you have such nice stuff to work with! ~~waterdrop~~